The action of trypsin on synthetic chromogenic arginine substrates.

abstract：:A novel type of sulfotransferase was purified from Klebsiella K-36, an intestinal bacterium of rat. The enzyme (M(r) 160,000) is composed of two subunits (M(r) 73,000) with pI and optimal pH values of 5.3 and 10-10.5, respectively. The apparent Km for PNS (p-nitrophenyl sulfate) using phenol as an acceptor and that fo...

journal_title：Journal of biochemistry

authors： Kim DH,Kim HS,Kobashi K

更新日期：1992-10-01 00:00:00

abstract：:The organization of troponin I (TnI) genes from the ascidian Halocynthia roretzi have been determined. Halocynthia possesses roughly two types of TnI isoforms. One type is a single-copied adult TnI (adTnI) gene, which contains eight exons and seven introns. adTnI expresses two isoforms, the shorter body wall muscle Tn...

journal_title：Journal of biochemistry

authors： Yuasa HJ,Kawamura K,Yamamoto H,Takagi T

更新日期：2002-07-01 00:00:00

abstract：:Thymosin β4 (Tβ4) is a major intracellular G-actin-sequestering peptide. There is increasing evidence to support important extracellular functions of Tβ4 related to angiogenesis, wound healing and cardiovascular regeneration. We investigated the expression of 'Tβ4' and 'thymosin β10', a closely related peptide, during...

journal_title：Journal of biochemistry

authors： Tokura Y,Nakayama Y,Fukada S,Nara N,Yamamoto H,Matsuda R,Hara T

更新日期：2011-01-01 00:00:00

abstract：:A simple, sensitive and reliable method for the detection of cystine-containing peptides has been developed. A peptide bridged with a disulfide bond was reduced and cleaved with tributylphosphine, and then coupled with a thiol specific reagent, ammonium 7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonate, under alkaline condi...

journal_title：Journal of biochemistry

authors： Sueyoshi T,Miyata T,Iwanaga S,Toyo'oka T,Imai K

更新日期：1985-06-01 00:00:00

abstract：:The midpoint pCa value of the fluorescence titration curve of the complex of 2-[4'-iodoacetamido)anilino)-naphthalene-6-sulfonic acid-labeled troponin (IAANS-Tn) and nonpolymerizable tropomyosin (NPTm) was much larger than that for the complex of Tn containing dansylaziridine-labeled troponin C (DANZ-TnC) and NPTm. Th...

journal_title：Journal of biochemistry

authors： Iio T,Nishio T,Kondo H

更新日期：1988-08-01 00:00:00

abstract：:The substrate specificity of microsomal nonspecific carboxyesterase [EC 3.1.1.1] from rabbit and rat livers was studied in vitro by using seven (A)-type and six (B)-type 12,13-epoxytrichothecene mycotoxins. The C-4 acetyl residues of diacetoxyscirpenol, T-2 toxin, monoacetylnivalenol (fusarenon-X), and diacetylnivalen...

journal_title：Journal of biochemistry

authors： Ohta M,Matsumoto H,Ishii K,Ueno Y

更新日期：1978-09-01 00:00:00

abstract：:Low molecular weight RNAs were isolated from nuclei of the cellular slime mold Dictyostelium discoideum AX-3. Analysis of the RNAs by polyacrylamide gel electrophoresis showed that the vegetative cell nuclei contained, besides tRNA (Dd1), 5S RNA (Dd4), and 5.8S RNA (Dd7), at least 7 small RNA species (Dd3, Dd5, Dd6, D...

journal_title：Journal of biochemistry

authors： Takeishi K,Kaneda S

更新日期：1981-08-01 00:00:00

abstract：:Undecaprenyl diphosphate synthase catalyzes the sequential condensation of eight molecules of isopentenyl diphosphate (IPP) in the cis-configuration into farnesyl diphosphate (FPP) to produce undecaprenyl diphosphate (UPP), which is indispensable for the biosynthesis of the bacterial cell wall. This cis-type prenyltra...

journal_title：Journal of biochemistry

authors： Kharel Y,Zhang YW,Fujihashi M,Miki K,Koyama T

更新日期：2003-12-01 00:00:00

abstract：:To investigate the function of the gamma-carboxyglutamic acid (Gla) residues of factor IXa in the activation of factor X, a new species of bovine factor IXa, designated "factor IXa beta'," and its corresponding Gla-domainless form, designated "Gla-domainless factor IXa beta'," were prepared under controlled conditions...

journal_title：Journal of biochemistry

authors： Morita T,Fukudome K,Miyata T,Iwanaga S

更新日期：1991-12-01 00:00:00

abstract：:Pyruvate decarboxylase [2-oxo acid carboxy-lyase, EC 4.1.1.1] was isolated from sweet potato roots and was partially purified from healthy and diseased tissues. There was no appreciable difference in properties between the enzymes from healthy and diseased tissues. The molecular weight of the enzyme was found to be 24...

journal_title：Journal of biochemistry

authors： Oba K,Uritani I

更新日期：1975-06-01 00:00:00

abstract：:Autoactivation of the proenzyme form of a subunit of the first component (C1r) was performed in the presence and absence of diisopropyl fluorophosphate (DFP). The time-course of autoactivation of zymogen C1r followed a sigmoidal curve and was accelerated by addition of the enzyme C1r and by increasing the concentratio...

journal_title：Journal of biochemistry

authors： Kasahara Y,Odai H,Takahashi K,Nagasawa S,Koyama J

更新日期：1985-01-01 00:00:00

abstract：:To investigate the effect of plasminogen on cartilage catabolism, we assessed collagen degradation in rabbit articular cartilage explants treated with or without plasminogen and interleukin-1alpha (IL-1alpha). The combination of IL-1 alpha and plasminogen induced rapid collagen degradation, amounting to more than 60% ...

journal_title：Journal of biochemistry

authors： Saito S,Katoh M,Masumoto M,Matsumoto S,Masuho Y

更新日期：1997-07-01 00:00:00

abstract：:The heavy chain of myosin subfragment-1 prepared by chymotrypsin treatment had a molecular weight of about 96 K. It was split into 26 K, 50K, and 21 K fragments on trypsin treatment. The effect of actin binding on the susceptibilities of the junctions between 26 K and 50 K and between 50 K and 21 K, and on that of alk...

journal_title：Journal of biochemistry

authors： Yamamoto K,Sekine T

更新日期：1979-12-01 00:00:00

abstract：:D-Erythrulose reductase of beef liver was crystallized from ammonium sulfate solution at pH 8.17. The crystals are needle-shaped. The enzyme protein contains 851 amino acid residues per mole of the enzyme: Lys28, His11, Arg52, Asp79, Thr58, Ser56, Glu68, Pro20, Gly80, Ala107, Val112, Met24, Ile31, Leu88, Tyr7, Phe22, ...

journal_title：Journal of biochemistry

authors： Uehara K,Tanimoto T

更新日期：1975-09-01 00:00:00

abstract：:A DNA polymerase beta (pol. beta) inhibitor has been isolated independently from two organisms; a red perilla, Perilla frutescens, and a mugwort, Artemisia vulgaris. These molecules were determined by spectroscopic analyses to be the cyanogenic glucoside, D-mandelonitrile-beta-D-glucoside, prunasin. The compound inhib...

journal_title：Journal of biochemistry

authors： Mizushina Y,Takahashi N,Ogawa A,Tsurugaya K,Koshino H,Takemura M,Yoshida S,Matsukage A,Sugawara F,Sakaguchi K

更新日期：1999-08-01 00:00:00

abstract：:Proteoglycan biosynthesis in developing chicken corneas was studied. Corneas free of scleral rims were prepared from 5- to 18-day-old chick embryos and labeled in vitro with [3H]glucosamine and [35S]sulfate. Then, the labeled medium and corneal proteoglycans were analyzed. Day 5 corneas synthesized mainly chondroitin ...

journal_title：Journal of biochemistry

authors： Nakazawa K,Suzuki S,Wada K,Nakazawa K

更新日期：1995-04-01 00:00:00

abstract：:Activity-oligomeric assembly relationships using octaethylene glycol dodecyl ether (C12E8) solubilized pig gastric H/K-ATPase (unmodified H/K-ATPase) or H/K-ATPase modified with Fluorescein 5'-isothiocyanate (FITC-H/K-ATPase) were examined. The amount of oligomeric species in FITC-H/K-ATPase, which retained little H/K...

journal_title：Journal of biochemistry

authors： Abe K,Kaya S,Taniguchi K,Hayashi Y,Imagawa T,Kikumoto M,Oiwa K,Sakaguchi K

更新日期：2005-09-01 00:00:00

abstract：:Transient and steady state kinetics were studied in the interactions of ATP with acto-H-meromyosin reconstituted from bovine arterial heavy-meromyosin (HMM) and rabbit skeletal muscle F-actin. The results showed that the rate of dissociation of the hybrid acto-HMM induced by ATP was slower than the rate of the fluores...

journal_title：Journal of biochemistry

authors： Takeuchi K,Tonomura Y

更新日期：1978-08-01 00:00:00

abstract：:A proton nuclear magnetic resonance (NMR) study is reported of the molecular structural basis of antigen-antibody interactions. An immunologically reactive proteolytic fragment corresponding to one of the antigenic regions on hen egg-white lysozyme (HEL) was used in combination with a monoclonal antibody that recogniz...

journal_title：Journal of biochemistry

authors： Ito W,Nishimura M,Sakato N,Fujio H,Arata Y

更新日期：1987-09-01 00:00:00

abstract：:Sporulation of Bacillus subtilis, growing exponentially in the presence of rapidly metabolizable nutrients, was induced by addition of decoyinine (an antibiotic inhibitor of GMP synthesis), and intracellular amounts of ppGpp were determined after 2 M formic acid extraction by polyethyleneimine (PEI)-cellulose thin-lay...

journal_title：Journal of biochemistry

authors： Ikehara K,Okamoto M,Sugae K

更新日期：1982-03-01 00:00:00

abstract：:The structural glycoprotein E(rns) of classical swine fever virus (CSFV) is one of the major antibody targets upon infection of pigs with the virus. Molecular dissection of the structure of E(rns) would define the minimal immunodominant regions that induce antibody responses after infection and may thus help design an...

journal_title：Journal of biochemistry

authors： Lin M,Trottier E,Pasick J,Sabara M

更新日期：2004-12-01 00:00:00

abstract：:By analyzing antibody heterogeneity during the primary immune response to bacterial a-amylase (B alpha A) in high-responder F1 hybrid mice between C57BL/6 (B6) and C3H/He (C3) mice with the use of isoelectric focusing (IEF), it was shown that the maturation of the primary IgG antibody response consisted of at least tw...

journal_title：Journal of biochemistry

authors： Nakashima S,Kamikawa H

更新日期：1984-07-01 00:00:00

abstract：:A sensitive enzyme-immunochemical staining method was developed for detection of N-glycolylneuraminic acid (NeuGc)-containing glycosphingolipids (GSLs) on silica gel thin-layer chromatography. The procedure consists of immune reaction among NeuGc-containing GSLs, affinity-purified chicken anti-NeuGc-LacCer and horsera...

journal_title：Journal of biochemistry

authors： Higashi H,Fukui Y,Ueda S,Kato S,Hirabayashi Y,Matsumoto M,Naiki M

更新日期：1984-05-01 00:00:00

abstract：:Single-chain antibodies (scFv), which can be produced in Escherichia coli cells, have been shown in numerous cases to be active in antigen binding. In the case of the two anti-lysozyme single-chain antibodies, scFvLH and scFvHL, which have the reversed arrangement of the variable domains of the heavy and light chains ...

journal_title：Journal of biochemistry

authors： Merk H,Stiege W,Tsumoto K,Kumagai I,Erdmann VA

更新日期：1999-02-01 00:00:00

abstract：:Serum-free culture medium collected from primary monolayer cultures of human articular chondrocytes was found to inhibit human urokinase [EC 3.4.21.31] activity. Although chondrocyte culture medium contained a small amount of endothelial-type plasminogen activator inhibitor which could be demonstrated by reverse fibri...

journal_title：Journal of biochemistry

authors： Yamada H,Stephens RW,Nakagawa T,McNicol D

更新日期：1988-12-01 00:00:00

abstract：:We have previously purified two D-3-hydroxyacyl-CoA dehydratase preparations from human liver. One preparation contained a 77-kDa polypeptide and smaller polypeptides, and the other was a homodimer of a 46-kDa polypeptide. Three different purified rat peroxisomal D-3-hydroxyacyl-CoA dehydratase preparations have been ...

journal_title：Journal of biochemistry

authors： Jiang LL,Miyazawa S,Hashimoto T

更新日期：1996-09-01 00:00:00

abstract：:It has been reported that neutral salts such as NaCl activate the thermolysin-catalyzed hydrolysis of substrates containing glycine at the P1 position (carboxylic side of the cleavage bond) [Holmquist, B. & Vallee, B.L. (1976) Biochemistry 15, 101-107]. In this paper, we demonstrate that high concentrations (1-4 M) of...

journal_title：Journal of biochemistry

authors： Inouye K

更新日期：1992-09-01 00:00:00

abstract：:The spermatozoa of the fresh-water bivalve, Hyriopsis schlegelii, had a complex spectrum of neutral glycosphingolipids. CDS, CTS, CTeS were isolated as minor components (together they accounted for 3% of the total neutral glycolipid fraction), while CMS and the glycolipids (Lipid I, II, and III) with larger saccharide...

journal_title：Journal of biochemistry

authors： Sugita M,Yamamoto T,Masuda S,Itasaka O,Hori T

更新日期：1981-11-01 00:00:00

abstract：:Sphingosine-1-phosphate (S1P) and lysophosphatidic acid (LPA) are blood-borne lysophospholipids with a wide spectrum of biological activities, which include stimulation of cell growth, prevention of apoptosis, regulation of actin cytoskeleton, and modulation of cell shape, cell migration, and invasion. Activated plate...

journal_title：Journal of biochemistry

authors： Takuwa Y,Takuwa N,Sugimoto N

更新日期：2002-06-01 00:00:00

abstract：:TreP [trehalose-permease (phosphotransferase system (PTS) trehalose-specific enzyme IIBC component)] is one of the target proteins of tmRNA-mediated trans-translation in Bacillus subtilis [Fujihara et al. (2002) Detection of tmRNA-mediated trans-translation products in Bacillus subtilis. Genes Cells, 7, 343-350]. The ...

journal_title：Journal of biochemistry

authors： Ujiie H,Matsutani T,Tomatsu H,Fujihara A,Ushida C,Miwa Y,Fujita Y,Himeno H,Muto A

更新日期：2009-01-01 00:00:00